Horizontal puff stitch (Horizontal PS): Half double crochet, yarn over, insert hook around half double crochet just made, yarn over, pull up a loop, *yarn over and insert hook around same half double crochet, yarn over pull up a loop, rep from * 3 more times (11 loops on hook), yarn over pull through all loops on hook.
Horizontal Puff
Half double crochet
Yarn over
Insert hook around half double crochet just made
Yarn over, pull through a loop
*Yarn over, insert hook around same half double crochet
Yarn over, pull up a loop
Repeat from * 3 more times (11 loops on hook)
Yarn over and pull through all loops on hook
Pro Tip: When working this stitch, it will appear as 2 stitches at the top. Consult your specific pattern for how to address this on following rows or rounds.